Married to a man much older than herself, wife Kimi is shaken to learn that her husband's stepchild is her former lover, Atsushi. Though they never had a physical relationship, they once loved each other deeply. Naturally, an awkward cohabitation continues... However, one night when her husband is away on business and the two are alone, Kimi surrenders herself to Atsushi as he confesses his burning feelings for the first time. Tormented by her relationship with Atsushi, Kimi feels guilty towards her love for her husband but still seeks physical intimacy...
